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New wxDataObject etc. Almost works.

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A few more compatibility funcs for (long*) vs (int*).
  Makefile.in regenerated from filelist...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4058 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-10-18 22:22:56 +00:00
parent 314260fbd0
commit 1dd989e1bf
17 changed files with 820 additions and 1205 deletions
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264
include/wx/gtk1/dataobj.h
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@@ -32,123 +32,111 @@ class wxPrivateDataObject;
class wxFileDataObject;
//-------------------------------------------------------------------------
// wxDataFormat (internal)
// wxDataFormat
//-------------------------------------------------------------------------
class wxDataFormat : public wxObject
class wxDataFormat
{
public:
// the clipboard formats under GDK are GdkAtoms
typedef GdkAtom NativeFormat;
wxDataFormat();
wxDataFormat( wxDataFormatId type );
wxDataFormat( const wxString &id );
wxDataFormat( const wxChar *id );
wxDataFormat( const wxDataFormat &format );
wxDataFormat( const GdkAtom atom );
wxDataFormat( NativeFormat format );
void SetType( wxDataFormatId type );
wxDataFormatId GetType() const;
wxDataFormat& operator=(NativeFormat format)
{ SetId(format); return *this; }
wxDataFormat& operator=(const wxDataFormat& format)
{ SetId(format); return *this; }
/* the string Id identifies the format of clipboard or DnD data. a word
* processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
* to the clipboard - the latter with the Id "application/wxword", an
* image manipulation program would put a wxBitmapDataObject and a
* wxPrivateDataObject to the clipboard - the latter with "image/png". */
// comparison (must have both versions)
bool operator==(wxDataFormatId type) const
{ return m_type == (wxDataFormatId)type; }
bool operator!=(wxDataFormatId type) const
{ return m_type != (wxDataFormatId)type; }
bool operator==(NativeFormat format) const
{ return m_format == (NativeFormat)format; }
bool operator!=(NativeFormat format) const
{ return m_format != (NativeFormat)format; }
bool operator==(const wxDataFormat& format) const
{ return m_format == format.m_format; }
bool operator!=(const wxDataFormat& format) const
{ return m_format != format.m_format; }
// explicit and implicit conversions to NativeFormat which is one of
// standard data types (implicit conversion is useful for preserving the
// compatibility with old code)
NativeFormat GetFormatId() const { return m_format; }
operator NativeFormat() const { return m_format; }
// this only works with standard ids
void SetId( wxDataFormatId type );
// this only works with standard ids
void SetId( NativeFormat format );
// string ids are used for custom types - this SetId() must be used for
// application-specific formats
wxString GetId() const;
void SetId( const wxChar *id );
GdkAtom GetAtom();
void SetAtom(GdkAtom atom) { m_hasAtom = TRUE; m_atom = atom; }
// implicit conversion to wxDataFormatId
operator wxDataFormatId() const { return m_type; }
bool operator==(wxDataFormatId type) const { return m_type == type; }
bool operator!=(wxDataFormatId type) const { return m_type != type; }
// implementation
wxDataFormatId GetType() const;
private:
wxDataFormatId m_type;
wxString m_id;
bool m_hasAtom;
GdkAtom m_atom;
wxDataFormatId m_type;
NativeFormat m_format;
void PrepareFormats();
private:
DECLARE_CLASS( wxDataFormat )
};
//-------------------------------------------------------------------------
// wxDataBroker (internal)
//-------------------------------------------------------------------------
class wxDataBroker : public wxObject
{
public:
/* constructor */
wxDataBroker();
/* add data object */
void Add( wxDataObject *dataObject, bool preferred = FALSE );
private:
/* OLE implementation, the methods don't need to be overridden */
/* get number of supported formats */
virtual size_t GetFormatCount() const;
/* return nth supported format */
virtual wxDataFormat &GetNthFormat( size_t nth ) const;
/* return preferrd/best supported format */
virtual wxDataFormatId GetPreferredFormat() const;
/* search through m_dataObjects, return TRUE if found */
virtual bool IsSupportedFormat( wxDataFormat &format ) const;
/* search through m_dataObjects and call child's GetSize() */
virtual size_t GetSize( wxDataFormat& format ) const;
/* search through m_dataObjects and call child's WriteData(dest) */
virtual void WriteData( wxDataFormat& format, void *dest ) const;
public:
/* implementation */
wxList m_dataObjects;
size_t m_preferred;
private:
DECLARE_CLASS( wxDataBroker )
void SetType( wxDataFormatId type );
};
//----------------------------------------------------------------------------
// wxDataObject to be placed in wxDataBroker
// wxDataObject
//----------------------------------------------------------------------------
class wxDataObject : public wxObject
{
public:
/* constructor */
wxDataObject();
/* destructor */
~wxDataObject();
/* write data to dest */
virtual void WriteData( void *dest ) const = 0;
/* get size of data */
virtual size_t GetSize() const = 0;
public:
/* implementation */
wxDataFormat m_format;
wxDataFormat &GetFormat();
virtual wxDataFormat GetPreferredFormat() const = 0;
// get the number of formats we support: it is understood that if we
// can accept data in some format, then we can render data in this
// format as well, but the contrary is not necessarily true. For the
// default value of the argument, all formats we support should be
// returned, but if outputOnlyToo == FALSE, then we should only return
// the formats which our SetData() understands
virtual size_t GetFormatCount(bool outputOnlyToo = TRUE) const
{ return 1; }
// return all formats in the provided array (of size GetFormatCount())
virtual void GetAllFormats(wxDataFormat *formats,
bool outputOnlyToo = TRUE) const
{ formats[0] = GetPreferredFormat(); }
// get the (total) size of data for the given format
virtual size_t GetDataSize(const wxDataFormat& format) const = 0;
// copy raw data (in the specified format) to provided pointer
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const = 0;
// get data from the buffer (in the given format)
virtual bool SetData(const wxDataFormat& format, const void *buf) = 0;
wxDataFormatId GetFormatType() const;
wxString GetFormatId() const;
GdkAtom GetFormatAtom() const;
// a simpler name which makes more sense for data objects supporting
// only one format
wxDataFormat GetFormat() const { return GetPreferredFormat(); }
// old interface
// decide if we support this format (can be either standard or custom
// format) -- now uses GetAllFormats()
virtual bool IsSupportedFormat(const wxDataFormat& format) const;
private:
DECLARE_DYNAMIC_CLASS( wxDataObject )
@@ -161,34 +149,27 @@ private:
class wxTextDataObject : public wxDataObject
{
public:
/* default constructor. call SetText() later or override
WriteData() and GetSize() for working on-demand */
// ctors
wxTextDataObject();
wxTextDataObject(const wxString& strText);
void Init(const wxString& strText) { m_strText = strText; }
/* constructor */
wxTextDataObject( const wxString& data );
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_TEXT; }
virtual bool IsSupportedFormat(const wxDataFormat& format) const
{ return format == wxDF_TEXT; }
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
virtual bool SetData(const wxDataFormat& format, const void *buf);
/* set current text data */
void SetText( const wxString& data );
/* get current text data */
wxString GetText() const;
/* by default calls WriteString() with string set by constructor or
by SetText(). can be overridden for working on-demand */
virtual void WriteData( void *dest ) const;
/* by default, returns length of string as set by constructor or
by SetText(). can be overridden for working on-demand */
virtual size_t GetSize() const;
/* write string to dest */
void WriteString( const wxString &str, void *dest ) const;
public:
/* implementation */
wxString m_data;
// additional helpers
void SetText(const wxString& strText) { m_strText = strText; }
wxString GetText() const { return m_strText; }
private:
wxString m_strText;
private:
DECLARE_DYNAMIC_CLASS( wxTextDataObject )
};
@@ -200,24 +181,21 @@ private:
class wxFileDataObject : public wxDataObject
{
public:
/* default constructor */
wxFileDataObject();
/* add file name to list */
void AddFile( const wxString &file );
/* get all filename as one string. each file name is 0 terminated,
the list is double zero terminated */
wxString GetFiles() const;
/* write list of filenames */
virtual void WriteData( void *dest ) const;
/* return length of list of filenames */
virtual size_t GetSize() const;
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_FILENAME; }
virtual bool IsSupportedFormat(const wxDataFormat& format) const
{ return format == wxDF_FILENAME; }
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
virtual bool SetData(const wxDataFormat& format, const void *buf);
public:
/* implementation */
wxString m_files;
private:
@@ -231,26 +209,38 @@ private:
class wxBitmapDataObject : public wxDataObject
{
public:
/* see wxTextDataObject for explanation */
// ctors
wxBitmapDataObject();
wxBitmapDataObject( const wxBitmap& bitmap );
wxBitmapDataObject(const wxBitmap& bitmap);
// destr
~wxBitmapDataObject();
void SetBitmap( const wxBitmap &bitmap );
wxBitmap GetBitmap() const;
virtual void WriteData( void *dest ) const;
virtual size_t GetSize() const;
void *GetData() const { return (void*)m_pngData; }
void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
void SetPngData( const char *pngData, size_t pngSize );
// set/get our bitmap
void SetBitmap(const wxBitmap& bitmap);
const wxBitmap GetBitmap() const { return m_bitmap; }
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_BITMAP; }
virtual bool IsSupportedFormat(const wxDataFormat& format) const
{ return format == wxDF_BITMAP; }
virtual size_t GetDataSize(const wxDataFormat& format) const;
virtual bool GetDataHere(const wxDataFormat& format, void *buf) const;
// sets PNG data
virtual bool SetData(const wxDataFormat& format, const void *buf);
// sets PNG data
virtual void SetPngData(const void *buf, size_t size);
void *GetData()
{ return m_pngData; }
private:
wxBitmap m_bitmap;
size_t m_pngSize;
char *m_pngData;
void *m_pngData;
void DoConvertToPng();